On Tue, Sep 02, 2003 at 11:52:30AM -0700, Sak wrote:
> On Monday 01 September 2003 03:41 pm, Jon LaBadie wrote:
> 
> > What do the debug logs say about the tapes it "spits out"?
> 
> Here's what shows up in an amdump log file from the very first attempt...
> 
> changer: opening pipe to: /usr/local/libexec/chg-manual -info
> changer: got exit: 0 str: 1 99 1
> changer_query: changer return was 99 1
> changer_query: searchable = 0
> changer_find: looking for DailySet1-002 changer is searchable = 0
> changer: opening pipe to: /usr/local/libexec/chg-manual -slot current
> changer: got exit: 0 str: 1 /dev/nst0
> taper: slot 1: date 20030827 label DailySet1-001 (active tape)
> changer: opening pipe to: /usr/local/libexec/chg-manual -slot next
> changer: got exit: 0 str: expr: syntax error
> taper: slot expr:: tape_rdlabel: tape open: syntax error: No such file or 
> directory
> changer: opening pipe to: /usr/local/libexec/chg-manual -slot next
> changer: got exit: 0 str: expr: syntax error
> taper: slot expr:: tape_rdlabel: tape open: syntax error: No such file or 
> directory
> changer: opening pipe to: /usr/local/libexec/chg-manual -slot next
> changer: got exit: 0 str: expr: syntax error
> taper: slot expr:: tape_rdlabel: tape open: syntax error: No such file or 
> directory
> 
> ...any thoughts on this?
> 

Yeah,
there are defects in the chg-manual script.

I'm guessing that some variable used in an expression like

        var=`expr $foo <operator> $bar`

is empty.  Thus expr tries to calculate "nothing" <operator> something.
Like  "" + 4.  That would be an expr syntax error.

jl
-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
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